P2P: Add provision discovery failure event

Add provisional discovery failure ctrl_iface event
(P2P-PROV-DISC-FAILURE) to indicate to the application layer in case of
PD failure.

Signed-off-by: Deepthi Gowri <deepthi@codeaurora.org>

src/common/wpa_ctrl.h

@@ -116,6 +116,8 @@ extern "C" {
 #define P2P_EVENT_PROV_DISC_PBC_REQ "P2P-PROV-DISC-PBC-REQ "
 /* parameters: <peer address> */
 #define P2P_EVENT_PROV_DISC_PBC_RESP "P2P-PROV-DISC-PBC-RESP "
+/* parameters: <peer address> <status> */
+#define P2P_EVENT_PROV_DISC_FAILURE "P2P-PROV-DISC-FAILURE"
 /* parameters: <freq> <src addr> <dialog token> <update indicator> <TLVs> */
 #define P2P_EVENT_SERV_DISC_REQ "P2P-SERV-DISC-REQ "
 /* parameters: <src addr> <update indicator> <TLVs> */

wpa_supplicant/p2p_supplicant.c

@@ -1852,6 +1852,10 @@ static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
 {
 	struct wpa_supplicant *wpa_s = ctx;
 
+	wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
+		" p2p_dev_addr=" MACSTR " status=%d",
+		MAC2STR(wpa_s->global->p2p_dev_addr), status);
+
 	wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
 					    status, 0, 0);
 }